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The star can be observed with a spectrograph, which spreads the light out according to its wavelength to produce a spectrum. The wavelength of peak intensity indicates the surface temperature.
The light from a star is classified paradoxically as 'black body radiation', which means that its colour and temperature are closely linked by a relationship that can be reproduced in the laboratory.
Within the spectrum there are also dark lines at specific wavelengths, and these indicate the presence of the different elements in the outer layer of the star.
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What is the relationship between the color of the star and temperature of a star?
The color of a star is related with the wavelength of the light observed. Wien's Law states that: Peak Wavelength x Surface Temperature = 2.898x10-3 Peak Wavelength is the wavelength of the highest intensity light coming from a star.
What is the temperature of the speed of light?
The speed of light does not have a temperature.
Are photos of far away space in your time or light years ago?
A 'light year' is not a time. It's a distance. Specifically, the distance that light travels in one year. So when you photograph a star that's located 10 light-years away from us, you photograph the light that left the star 10 years ago. Your photograph records the color, temperature, motion, and position of the star as of 10 years ago. If that star were to explode today, you could not know it until 10 years from today.
How is the sun different in size and temperature from a star?
It isn't. The sun is a star and there are others that are similar in size and temperature.
Why is there a lower limit on the mass that a star may have?
It's because a gas cloud has to have a critical mass in order to generate enough temperature to start the nuclear processes that enable the star to radiate heat and light.
How do you think the light from a star might indicate the star's temperature?
Yes
Why does the luminosity of the star depend on both its radius and its temperature?
The bigger the star's radius, the greater its surface area which emits the light. The bigger the temperature, the more luminous is the light the star is emitting.
How do colors tell you about the temperature of a star?
The colder a star is the longer the light waves it emits. Light wavelength is what we perceive as color.
What is the range of electromagnetic radiation produced by a star?
That will depend a lot on the star's temperature. The highest frequencies can be infrared radiation, red light, blue light, ultraviolet, or even x-rays - all depending on the star's surface temperature.
What is the relationship between the color of the star and temperature of a star?
The color of a star is related with the wavelength of the light observed. Wien's Law states that: Peak Wavelength x Surface Temperature = 2.898x10-3 Peak Wavelength is the wavelength of the highest intensity light coming from a star.
Relate the stellar temperature to the classification of a star?
Stellar classification is based on the analysis of light from stars. The temperature from the photosphere of the star effects the amount and types of ions and this is used classifying the star.
What is the temperature for Thuban the star?
The surface temperature of the star Thuban is 9800 K. Another name for the Thuban star is Alpha Draconis. It is thought to be located 310 light years from the constellation of Draco.
As the temperature of a star increases does the amount of light it emits increase or decrease?
It increases.
If you know the surface temperature anf brightness of a star then you can find?
You find its size.
Is it true that the surface temperature of a star shining with a bluish light is higher than one with a reddish light?
yes it is true
Why would it be hard to find the light intensity if the temperature were very hot or cold?
because if the light changed them so would the temperature
Why would it be hard to find the ideal light if the temperature were very hot or cold?
because if the light changed them so would the temperature
